CRNI Infection Control 2

Question 1

What is the recommended maximum dwell time for a peripheral IV catheter in an adult patient?

Accepted Answer

72-96 hours or based on clinical assessment

Answer

24 hours

Answer

48 hours

Answer

7 days

Question 2

Which antiseptic solution is recommended as the FIRST-LINE agent for central line dressing changes?

Accepted Answer

Chlorhexidine gluconate with alcohol

Answer

Povidone-iodine

Answer

70% isopropyl alcohol

Answer

Hydrogen peroxide

Question 3

What is the proper technique for performing a catheter hub scrub to prevent CLABSI?

Accepted Answer

Vigorous scrubbing for at least 5-15 seconds with 70% alcohol or CHG

Answer

Quick wipe with an alcohol pad

Answer

Soaking the hub in antiseptic solution for 1 minute

Answer

Spraying the hub with antiseptic and allowing air dry

Question 4

Which bundle element is MOST effective in reducing central line-associated bloodstream infections?

Accepted Answer

Maximum sterile barrier precautions during insertion

Answer

Daily chlorhexidine bathing

Answer

Antibiotic lock therapy

Answer

Routine catheter exchange over guidewire

Question 5

A patient with a PICC line develops redness, swelling, and purulent drainage at the insertion site. What should the nurse suspect?

Accepted Answer

Exit site infection

Answer

Mechanical phlebitis

Answer

Catheter-related bloodstream infection

Answer

Contact dermatitis from the dressing

Question 6

How frequently should transparent semipermeable membrane (TSM) dressings on central venous catheters be changed?

Accepted Answer

Every 5-7 days or when soiled, loosened, or damp

Answer

Every 24 hours

Answer

Every 48 hours

Answer

Every 14 days